/usr/share/octave/packages/nnet-0.1.13/min_max.m is in octave-nnet 0.1.13-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | ## Copyright (C) 2005 Michel D. Schmid <michaelschmid@users.sourceforge.net>
##
##
## This program is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2, or (at your option)
## any later version.
##
## This program is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; see the file COPYING. If not, see
## <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {} @var{Pr} = min_max (@var{Pp})
## @code{min_max} returns variable Pr with range of matrix rows
##
## @example
## PR - R x 2 matrix of min and max values for R input elements
## @end example
##
## @example
## Pp = [1 2 3; -1 -0.5 -3]
## pr = min_max(Pp);
## pr = [1 3; -0.5 -3];
## @end example
## @end deftypefn
## Author: Michel D. Schmid
function Pr = min_max(Pp)
## check number of input args
error(nargchk(1,1,nargin))
Pr = []; # returns an empty matrix
#if ismatrix(Pp)
if (!(size(Pp,1)==1) && !(size(Pp,2)==1)) # ismatrix(1) will return 1!!!
if isreal(Pp) # be sure, this is no complex matrix
Pr = [min(Pp,[],2) max(Pp,[],2)];
else
error("Argument has illegal type.")
endif
else
error("Argument must be a matrix.")
endif
endfunction
%!shared
%! disp("testing min_max")
%!test fail("min_max(1)","Argument must be a matrix.")
%!test fail("min_max('testString')","Argument must be a matrix.")
%!test fail("min_max(cellA{1}=1)","Argument must be a matrix.")
%!test fail("min_max([1+1i, 2+2i])","Argument must be a matrix.")
%!test fail("min_max([1+1i, 2+2i; 3+1i, 4+2i])","Argument has illegal type.")
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